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Finding the Third Proportional to 193,089 and 418,344

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Solution

The third proportional to 193,089 and 418,344 is: 906,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,089 : 418,344 = 418,344 : x
  2. Step 2: Convert to fraction form
    193,089/418,344 = 418,344/x
  3. Step 3: Cross multiply
    193,089x = 418,344 × 418,344
  4. Step 4: Simplify right side
    193,089x = 175,011,702,336
  5. Step 5: Solve for x
    x = 175,011,702,336/193,089
  6. Step 6: Final answer
    x = 906,378.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.